Adjustable couple latch lock



FIG. 1 is a perspective view of an adjustable couple latch lock showing my new design, shown with knurling on its stopper;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view of a second embodiment of FIG. 1, shown with knurling on its stopper and locking head;

FIG. 8 is bottom plan view of FIG. 7;

FIG. 9 is front elevational view of FIG. 7;

FIG. 10 is a top plan view of a third embodiment of FIG. 1, shown without knurling on its surfaces;

FIG. 11 is a bottom plan view of FIG. 10; and,

FIG. 12 is front elevational view of FIG. 10.

The broken lines environment is for illustrative purpose only and forms no part of the claimed design. 

The ornamental design for a adjustable couple latch lock, as shown and described. 